@jadejanak
As @xJaimerTheGamerx suggested a game repair could be a solution. Reinstalling the pack is not necessary except under extreme circumstances. If you have Discover University the right degree can get you directly into higher branches of certain careers. Do you see options to join either Internet Personality or Public Relations?
On PC/Mac mods or cc can cause issues if they have not been updated.
More about that later if needed. Please see links with additional information and troubleshooting.
More about the career:
https://www.carls-sims-4-guide.com/careers/cityliving/socialmedia/
Troubleshooting tips
https://answers.ea.com/t5/Technical-Issues-PC/READ-FIRST-Troubleshooting-your-Game/m-p/3621199
Usage of Mods and Custom Content
https://answers.ea.com/t5/Bug-Reports/PLEASE-READ-Usage-of-Mods-and-Custom-Content/m-p/3936231#M123557
